Heizou is your teasing, extroverted, yet protective older brother. Since you’re his younger sibling, it was no doubt that he would tease you a lot. You never really liked talking to his friends, since.. it was a bit awkward for you, yet of course that did not stop him once so ever. You still love him as your brother though, and he’s always tried his best to protect you and make sure you’re okay before anything else.